public class Test {
    public static void main(String[] args) {
        char ch='a';
        System.out.println(ch);
    }
    public static void main6(String[] args) {
        char ch=97;
        System.out.println(ch);
    }
    public static void main5(String[] args) {
        boolean b=false;//只有true和false没有01不和c语言一样
        System.out.println(b);
    }
    public static void func(String[] args) {
        double a=1;
        double b=2;
        System.out.println(a/b);
    }
    public static void main3(String[] args) {
        short sh=10; // 2字节->16比特位-1字符位=15 //16-->15-->-2^15-2^15-1;
        System.out.println(Short.MIN_VALUE);
        System.out.println(Short.MAX_VALUE);
    }
    public static void main1(String[] args) {
        //局部变量
        int a=10;
    }
    public static void main2(String[] args) {
        int a=10;
        System.out.println(10);
        System.out.println("hello\n");

        System.out.println(10.5);

        System.out.println(10);
    }
}
